MythTV is a Free Open Source software digital video recorder (DVR) project distributed under the terms of the GNU GPL. It has been under heavy development since 2002, and now contains most features one would expect from a good DVR (and many new ones that you soon won't be able to live without)

Myth Today has gone beyond a simple DVR and has almost all the features of GoogleTV.

Moreover a complete distro called Mythbuntu is available today which as the name specifies, is Myth over Ubuntu. No installation hassles, no config worries. As simple as it can be :)

Here are some screenshots

Personal Note - I have tried it & found it working very fine on my atom machine with 1G RAM. I was not able to find a correct TV tuner card which supports the cable. Rest everything including a web browser makes it a perfect home entertainment library. You get a lot of themes to change the look and feel too. It can even fetch info on demand from IMDB including details, images, plot etc about movie collection you have.

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comments:

Well I know that these may be some cheaper ways but you won’t get all the benefits of the real Google TV. I work at DISH Network and a consumer can get the Google TV for a discounted price of $179.00. Then if you want to integrate with the receiver to take advantage of the features is a $4.00 dvr service fee per month.